October weather forecast
Exton, PA

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Weather in October

October in Exton sees a further drop in temperatures, now varying between 48.9°F (9.4°C) and 63.5°F (17.5°C). This month brings on the full-blown fall season with a significant decline in rainfall to 0.94" (24mm). The transition towards shorter days becomes prominent, and the drop in temperature makes the climate considerably chillier. However, the plentiful sunshine still makes daytime exploration enjoyable. The city is draped in the tones of autumn, making the ambiance aesthetically enchanting.

Temperature

The start of October comes with a reduction in the average high-temperature, receding from a moderately hot 75.7°F (24.3°C) in September to a refreshing 63.5°F (17.5°C). Nighttime temperatures in October average to a chilly 48.9°F (9.4°C).

Humidity

The months with the highest humidity are February and October, with an average relative humidity of 79%.

Rainfall

In Exton, during October, the rain falls for 9.1 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Exton, during the entire year, the rain falls for 124.6 days and collects up to 14.25" (362mm) of precipitation.

Snowfall

In Exton, Pennsylvania, snow does not fall in June through October.

Daylight

In Exton, the average length of the day in October is 11h and 8min.
On the first day of October, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:00 pm EDT.

Sunshine

In October, the average sunshine is 5.4h.

UV index

In Exton, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during October translates into the following guidance:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

In Exton, 63.5°F (17.5°C) is the average high-temperature and 48.9°F (9.4°C) is the average low-temperature during October. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in August is evaluated at 87.8°F (31°C).

What are the most humid months?

February and October, with an average relative humidity of 79%, are most humid months in Exton.

What is the average humidity in October?

In Exton, the average relative humidity in October is 79%.

How much does it rain in October?

In Exton, during October, the rain falls for 9.1 days and regularly aggregates up to 0.94" (24mm) of precipitation.

When it does not snow?

In Exton, snow does not fall in June through October.

Does it snow in October?

In Exton, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Exton have in October?

In October, the average day length is 11h and 8min.

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 6:59 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 6:00 pm EDT.

How long on average sun shines in October?

In Exton, the average sunshine duration in October is 5.4h.

How high is the UV index in October?

In Exton, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Exton, PA

Average temperature in October - Exton, PA
  • Average high temperature in October: 63.5°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in October: 48.9°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in October
Exton, PA

Average pressure in October - Exton, PA
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in October
Exton, PA

Average wind speed in October - Exton, PA
  • Average wind speed in October: 7mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in October
Exton, PA

Average humidity in October - Exton, PA
  • Average humidity in October: 79%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (73%).

Average rainfall in October
Exton, PA

Average rainfall in October - Exton, PA
  • Average rainfall in October: 0.94"

The wettest month (with the highest rainfall) is August (1.89").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in October
Exton, PA

Average rainfall days in October - Exton, PA
  • Average rainfall days in October: 9.1 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (5 days).

Average snowfall in October
Exton, PA

Average snowfall in October - Exton, PA
  • Average snowfall in October: 0"

The month with the highest snowfall is March (1.57").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in October
Exton, PA

Average snowfall days in October - Exton, PA
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Exton, PA

Average daylight in October / Average sunshine in October - Exton, PA
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in October
Exton, PA

Average sunshine days in October - Exton, PA
  • Average sunshine days in October: 19.4 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (13.3 days).

Average UV index in October
Exton, PA

Average UV index in October - Exton, PA
  • Average UV index in October: 3

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in October
Exton, PA

Average cloud cover in October - Exton, PA
  • Average cloud cover in October: 44

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in October
Exton, PA

Average visibility in October - Exton, PA
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Exton, Pennsylvania, USA

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